Information is presented on prestressed concrete. Benefication of aggregate by heavy-media separation, elastic fractionation and hydraulic jugging and benefication of sand through attrition are discussed. Currently a reexamination of the effect of maximum size aggregates is being made, and significant results to date are included. The use of water-reducing, set-retarding admixtures is sometimes advantageous. Their application and use, together with precautions to be considered, are described. Thermosetting plastics, principally epoxy resins, have great versatility. Their application to bonding of concrete and their use in minor repairs are presented. Information is presented on the application of mortar lining and coating to steel pipe. Methods of test for pozzolan acceptance,... Less

The DustDroid™ 600 is designed for capturing the extra fine dust created by cutting, drilling, grinding and sanding materials such as concrete, masonry, stone, fiberglass and other construction materials. It produces 600 CFM and features a 30 gallon canister that is easily removed for emptying. Contractors like how the unit is price considerably lower than competitive HEPA vacuums and is powered by 120 volt current. This workhorse vacuum has fewer moving parts, and no solenoids, to require less maintenance and provide more reliable performance. The AirBlast™ filter cleaning system can be actuated while the vacuum is running, without interrupting work; and AirBender™ technology enables contractors to go up to 10 times longer between filter cleanings.

Industrial manufacturers are increasingly using very high pressure water jets for the cleaning and breaking up of materials. Until recently, the demolition of reinforced concrete has been a long and difficult process, but developments in the design and use of high pressure water jets have made this a cleaner and faster process with many other applications in civil, construction and environmental engineering. Andreas Momber, a well known expert in water jet and abrasive water jet cutting technology has produced a unique and comprehensive book dealing with the fundamentals of the hydrodemolition process. Coverage includes equipment, processes, surface quality aspects, demolition with abrasive water jets, pulsed liquid jets, alternative applications and safety aspects. This book will help... Less

The DustDroid™ 300 is designed for capturing the extra fine dust created by cutting, drilling, grinding and sanding materials such as concrete, masonry, stone, fiberglass and other construction materials. It produces 300 CFM and features a 20 gallon canister that is easily removed for emptying. Contractors like how the unit is price considerably lower than competitive HEPA vacuums and is powered by 120 volt current. This workhorse vacuum has fewer moving parts, and no solenoids, to require less maintenance and provide more reliable performance. The AirBlast™ filter cleaning system can be actuated while the vacuum is running, without interrupting work; and AirBender™ technology enables contractors to go up to 10 times longer between filter cleanings.

Concrete Apprentice Tool Kit, Width (in.) 23-5/8, Length (in.) 10-5/16, Polyester Bag Construction, Includes 12 In. Wood Float, 16 In. Magnesium Float, 16 In. Cement Trowel, 5 In. Margin Trowel, 6 In. Stainless Edger, 6 In. Stainless Groover, Tool Bag

MK Diamond’s MK SDG-7 concrete floor grinder is the ideal tool for smaller jobs where its compact design is an asset and when grinding concrete to a smooth finish is the goal. Because of its innovative diamond cup wheels, contractors can use it for grinding, cleaning, and leveling concrete, masonry, and mortar. MK SDG-7 Concrete Floor GrinderAt a Glance: Durable heavy-gauge steel constructionAdjus table and removable handlebar Comes with the MK-IXL vacuum shroud Also includes vacuum connection port15 amp motor, 3,500 disc rpm The MK SDG-7 concrete floor grinder is portable without sacrificing power (view larger.) Portable but PowerfulThough dedicated to being the top grinder for use in small areas, the MK SDG-7 concrete floor grinder has a durable and strong heavy-gauge steel... Less

CONCRETE HOUSING LIFTER This large mouth concrete housing lifting clamp is designed to handle 4" to 6" thick sections without damaging the concrete seat. Lifter works on a variety of housing shapes and chain legs allow for quick positioning to balance the load. Concrete housing lift attachment requires constant tension to maintain positive load contact, while reverse cam action design eliminates load slippage tendency. Heavy duty steel construction and clamps have a durable enamel finish. Meets ASME B30.9 & B30.20 standards.

KNIPEX pliers satisfy the highest expectations in terms of performance, ergonomics and service life. Our products are designed to meet the requirements of professional users, who must be able to rely on their tools in day-to-day work. Particular attention is paid to ergonomic criteria in the production of our pliers: above all in the form of effort-reducing constructions and a handle design which is ideally suited to the moving hand and ensures minimum fatigue and safe work. At KNIPEX quality begins at the concept and design stage. Our starting point is a precise and comprehensive identification of the application requirements. Our goal is to constantly improve the function, performance and ergonomic features of our pliers and to provide an enhanced alternative to what is currently... Less

The 46" Gas Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T464B-9H features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

Automotive Air Tools Hand Tools Power Tools Sockets Drill Bits Router Bits Screwdrivers Construction Welding Spray Guns Hole Saws/Cutters Clamps/vises Casters/Tires Safety Products Measuring Tools Water Pumps Towing Auto Parts Wholesale Others Enter Ebay Store Add to Favorite Seller Shipping Information Payment Information Product Description: Professional demolition hammer tool kit Portable, compact design Lightweight yet heavy duty 360 degree rotary side handle Large rear handle

The 24" Gasoline Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T244B-4H features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

Ramset Powder Fastening Systems M70 is a .22 caliber, single shot, trigger actuated tool for light and medium duty construction applications. It's the ideal tool for attaching 2 x 4's, furring strips, and electrical boxes to concrete and steel. It's designed for professional fastening results in a variety of concrete, masonry or steel applications, and requires a license to use. The m70 can fasten up to 3 inch drive pins with washer. The positive barrel and load retention prevents barrel from opening freely, allowing easy horizontal and overhead fastening, and the powder load automatically ejects after each use. The M70 is ergonomically designed for operator comfort, with a heavy-duty all-steel construction. Specifications: Uses standard .22 caliber single shot powder loads 2 (Brown), 3... Less

The 30" Electric Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T304-1.5B features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

The 30" Gas Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T304B-5.5H features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

The 46" Electric Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T464-3B features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

MDF15 Lightweight with aluminum construction this pneumatically powered air tool is hand operated and designed for a wide variety of surface preparation projects. This 55 - 1/2'' Aluminum Barrel Long Reach Air Tool works fast and easy for removing vinyl and ceramic tiles, carpet adhesives and material build-ups from floors and walls. Small size and high power output makes it useful for chipping away concrete and asphalt or removing slag and scale materials on industrial and marine job sites. 55-1/2 inch overall length without accessory tool. Features: -3,700 blows per minute -Designed for a wide variety of surface preparation projects -Hand operated -Lightweight -Pneumatically powered air tools -For hard to access areas on job sites Specifications: -Piston Bore: .72 inch (18.5 mm)... Less

The 36" Gas Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T364B-5.5H features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

This is the MK2013HE 13hp Concrete Saw and this is just what you need! MK 2013 HE self propelled concrete saw combines unequaled design innovation, quality engineering, and top of the line structural components. This compact self-propelled saw focuses on the features that professional cutters demand. The style and characteristics of the MK-2013 HE are a direct reflection of operator feedback and job-related experience. Reliability, ruggedness and ergonomic comfort make this saw the ideal lightweight, multipurpose concrete/asphalt cutting machine. This saw features one-piece box construction chassis made from 3/16" hot-rolled steel will not flex during operation; Powder-coated chassis resists peeling & corrosion; Cast-aluminum hinged blade guard; Stainless steel water distribution system... Less

jrqualitytools201 1 Store 12" CONCRETE FORM WIRE TWISTER HAND TOOL NEW FEATURES: HD Construction w/ Black Soft Grip Handle Self Spring Return Action Insert Hook Into Both Tie Loop End on Wire, Pull Twister then Tool will Automatically Twist the Wire Payment: We prefer You may pay instantly with PayPal by clicking the pay now button at the top. Return Policy: NO QUESTIONS ASKED! You may return the product within 30 days of receipt. Item must be returned in new condition, as received with all acco

This is the MK-1613 H Premium 18" Walk Behind Saw -- Honda 13 Hp Engine and this is just what you need! The saw has a 5 5/8" maximum depth of cut. The MK-1600 Series features a one-piece box construction chassis made from 3/16" hot-rolled steel will not flex during operation; Powder-coated chassis resists peeling & corrosion; Cast-aluminum hinged blade guard; Stainless steel water distribution system supplies water to both sides of blade; Blade guard mounts on both left- or right-hand side of saw and cuts within 2" of wall or curb; 1-1/4" blade shaft supported by two heavy-duty, self-aligning pillow block bearings; Depth control assembly engineered for smooth, controlled blade insertion; Durable 8" x 2-1/4" non-slip rubber wheels with maintenance-free hubs & roller bearings;... Less

The 36" Gas Concrete Power Trowel has a rigid all-steel unibody handle and frame construction that is built for years of maintenance-free service. The adjustable belly-bar handle design allows the operator to be in a comfortable working position. The T364B-9H features easy starting centrifugal clutch drive belt system, a twist pitch control knob that adjusts the blade angle, as well as multiple guard rings that provide safety and stability. Bolt-on blades come standard on EDCO power trowels. The standard aluminum lifting bar assists when loading and unloading the power trowel, while a standard lifting bail can also assist. A magnetic Dead-Man switch protects the operator from the power trowel spinning out of control. This power trowel also is equipped with Level-It System that comes... Less

Shop for Building Materials at The Home Depot. Create an energy-efficient and sustainable building with SmartBlock Insulated Concrete Forms. They are a lightweight polystyrene (EPS) stay-in-place concrete form that speeds construction and yields a highly insulated wall. The finished wall will be 5.75 inches of concrete core and 2.125 inches of EPS on each side. Acoustical applications and fire-retardant properties increase the value of this construction method.

This item is used for testing the strength of various concrete members (slab, beam, column, truss) of normal building strength and bridge. When testing the strength of concrete, the concrete test hammer uses a certain elastic force to transit the impact force of an impact hammer to the surface of concrete, its initial kinetic energy redistributes, a part of energy in the form of plastic deformation or residual deformation is adsorbed by the concrete, and another part of energy which is proportional to the surface hardness is transmitted to the impact hammer, making the hammer resilience to certain height, then the strength of the concrete is derived from the proportional relation between the height of resilience and the concrete strength. With the merits of simple structure,... Less

NDTT HT-225A is a compact Concrete Testing Hammer, commonly used for testing of strength and hardness of various types of concrete materials. When testing the strength of concrete, the concrete test hammer uses a certain elastic force to transit the impact force of an impact hammer to the surface of concrete, its initial kinetic energy redistributes, a part of energy in the form of plastic deformation or residual deformation is adsorbed by the concrete, and another part of energy which is proportional to the surface hardness is transmitted to the impact hammer, making the hammer resilie to a certain height, then the strength of the concrete is derived from the proportional relation between the height of resilience and the concrete strength. With the merits of simple structure, easy... Less

Ramset Powder Fastening Systems COBIII Cobra .27 Caliber Strip Tool with 2-1/2-inch Pin Capacity ( 3-inch with washer) is a semi-automatic tool for general construction and remodeling jobs, such as attaching 2 x 4's, furring strips, and electrical boxes to concrete and steel. It incorporates a padded recoil-absorbing handle for smooth operation and fastens up to 3 inch drive pins with washer. Ideal for professional remodeling projects, such as attaching wood to concrete or steel. One strip of loads drives ten pins, allowing greater efficiency and less reloads. The Cobra has all metal housing for durability. Specifications: Uses .27 caliber 10-shot strip loads 2 (Brown), 3 (Green), 4 (Yellow), 5 (Red), Weight: 4.5 pounds, Length: 13-1/4-inch, Muzzle Bushing O.D.: 9/16-inch, Maximum Pin... Less